Home / 88,145.04-121,739.40-59,801.52

Finding the Fourth Proportional to 88,145.04, 121,739.40 and 59,801.52

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Solution

The fourth proportional to 88,145.04, 121,739.40 and 59,801.52 is: 82,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,145.04 : 121,739.40 = 59,801.52 : x
  2. Step 2: Convert to fraction form
    88,145.04/121,739.40 = 59,801.52/x
  3. Step 3: Cross multiply
    88,145.04x = 121,739.40 × 59,801.52
  4. Step 4: Simplify right side
    88,145.04x = 7,280,201,163.89
  5. Step 5: Solve for x
    x = 7,280,201,163.89/88,145.04
  6. Step 6: Final answer
    x = 82,593.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.